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Physicists are constantly searching for 'elegant' theories that describe the universe. One such theory, string theory, has the potential to unify the disparate theories of quantum mechanics and general relativity. We discussed this theory with Prof. Brian Greene of Columbia University.favoritefavoritefavoritefavoritefavorite ( 2 reviews ) Topics: Science, physics, string theory Source: Groks Science Radio Show Podcast

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"The Great Failure of Wikipedia": Presentation by Jason Scott at Notacon 3 in Cleveland, Ohio, on Saturday, April 8, 2006. Covers the universally-editable encyclopedia-like site Wikipedia , architectural and procedural choices by co-founder Jimbo Wales and the often-unintended consequences of these choices and philosophy. Includes short overviews of the Brian Peppers Debacle, the Ashida Kim Controversy, and the fallacy of "Notability" and "Neutral Point of View" as...favoritefavoritefavorite ( 10 reviews ) Topics: Wikipedia, Jason Scott, Notacon Source: Jason Scott

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Dark matter and dark energy comprise most of the known universe. But, what are the constituents of dark matter and energy? On this program, Dr. Dan Hooper from Fermilab discussed the dark cosmos.favoritefavoritefavoritefavoritefavorite ( 1 reviews ) Topics: science, dark matter, physics Source: Groks Science Radio Show Podcast

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While superstring theory dominates the landscape of unified field theories, alternative theories exist, such as twister theory. On this program, Sir Roger Penrose discussed the structure of the universe and quantum consciousness. Topic: Science Source: Groks Science Radio Show Podcast

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In the year 1905, Albert Einstein published five papers that changed the face of modern physics and led to two Nobel Prizes, including one for Einstein himself. On this program, Prof. John Stachel discussed Einstein and the importance of each of these papers.favoritefavoritefavoritefavoritefavorite ( 3 reviews ) Topics: Science, physics, relativity, Einstein Source: Groks Science Radio Show Podcast

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Morality often is considered a largely sociological issue. However, recent advances in neurobiology are demonstrating that human brains are wired for morality. On this program, Prof. Marc Hauser from Harvard University discussed the biology of morality. Topics: science, morality, biology Source: Groks Science Radio Show Podcast

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The personal computing revolution is a relatively recent historical event, but one that is already open to historical interpretation. On this program, Andy Hertzfeld discussed his insider's look at the creation of the Macintosh, as portrayed in his book, Revolution in the Valley. Topic: Science Source: Groks Science Radio Show Podcast

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Global warming is a larger threat than terrorism. So says this week's guest Sir David King, science advisor to UK Prime Minister Tony Blair. On this program, he discussed the indicators of this worldwide threat and counters the skeptics of climate change.favoritefavoritefavorite ( 2 reviews ) Topics: science, global warming Source: Groks Science Radio Show Podcast

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The theory of evolution proposed by Charles Darwin has served as the basis for modern biological research. But, is evolution at odds with religious beliefs? On this program, Prof. Francisco Ayala from U.C. Irvine discussed Darwin and Religion.favorite ( 1 reviews ) Topics: science, darwin, religion, evolution Source: Groks Science Radio Show Podcast

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Crickets, cicadas, and katydids are the noise makers among the insects. But, how are their sounds distinguished from one another? On this program, Lang Elliot discussed the songs of insects. Topics: science, insects Source: Groks Science Radio Show Podcast

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Evolution continues to be a contentious idea in modern society, especially in the United States, where it has spurred numerous legal battles over the right to teach the competing concept of Intelligent Design in public schools. On this program, Matthew Chapman discussed evolution vs. intelligent design in the Kitzmiller v. Dover Board of Education case. Topics: science, evolution, intelligent design, kitzmiller, dover Source: Groks Science Radio Show Podcast

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What is the appropriate market mechanism for moving away from a fossil fuel economy? On this program, Lester Brown from the Earth Policy Institute discussed how carbon taxes could better represent the true cost of energy. Topics: science, sustainability, environment, carbon tax Source: Groks Science Radio Show Podcast

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Continued developments in space exploration hold the promise for advancing human knowledge about the universe. But, how can humans reconcile these findings with their past beliefs. On this program, Prof. Albert Harrison discussed science, religion, and folklore in space exploration. Topics: science, religion, folklore, starstruck Source: Groks Science Radio Show Podcast

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The life and times of mathematician John F. Nash Jr. have garnered a great deal of attention since the release of the popular movie, A Beautiful Mind, chronicled events in his life. This show featured an interview with Sylvia Nassar, the author of Nash's biography, who discussed Nash's struggles with math, schizophrenia, and the Nobel Prize.favoritefavoritefavoritefavoritefavorite ( 3 reviews ) Topic: Science Source: Groks Science Radio Show Podcast

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Archaeological findings have generally focussed on the prehistoric activities of males, while neglecting those of females. However, recent archaeological findings are challenging this framework. On this program, Jake Page discussed these new archaeological findings. Topics: science, archaeology Source: Groks Science Radio Show Podcast

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Art and science are inexorably intertwined, with advances in one often inspiring advances in the other. Nowhere is this more evident than in the work of Leonardo da Vinci. On this program, Prof. Bulent Atalay discussed math and the Mona Lisa.favoritefavoritefavoritefavorite ( 4 reviews ) Topics: science, math, art, mona lisa Source: Groks Science Radio Show Podcast

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While the incident that occurred in Roswell, NM is nearly 60 years old, theories and speculation remain as to what occurred. On this program, Donald Schmitt discussed investigations into the Roswell incident. Special note: this is the "Independence Day" episode. If you don't get the joke, search the IMDB. Topics: science, roswell, UFO Source: Groks Science Radio Show Podcast

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Music has powerful emotive and expressive qualities that transcend its description as a purely physical phenomenon. This is of course due to how the brain processes musical information. On this program, Prof. Daniel Levitin discussed the musical brain.favoritefavoritefavoritefavoritefavorite ( 1 reviews ) Topics: science, music, neurobiology Source: Groks Science Radio Show Podcast

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Mathematical puzzles usually are not associated with entertainment. However, the Rubik Cube continues to amaze, confound, and entertain. On this program, Tyson Mao discussed solving the Rubik Cube. Topics: science, rubik cube Source: Groks Science Radio Show Podcast

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As computers have become increasingly ubiquitous, so too has computer malware. How can we protect our computers from this onslaught of viruses, worms, and Trojan horses? On this program, David Perry discussed effective solutions to combat computer malware.favoritefavoritefavorite ( 3 reviews ) Topics: science, computers, malware Source: Groks Science Radio Show Podcast

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The Richter Scale is well known to anyone who has experienced an earthquake. But, many are unaware of the man who invented the scale. On this program, Dr. Susan Hough discussed the life and science of Dr. Charles Richter. Topics: science, Richter, earthquakes, biography Source: Groks Science Radio Show Podcast

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Lasers have multiple applications, from simple pointing devices to guiding missiles. On this program, Nobel Laureate Prof. Charles Townes discussed the development of the laser. Topic: Science Source: Groks Science Radio Show Podcast

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The brain is a fascinating and complex organ that often baffles and confuses those who own it. Sometimes, a manual might be helpful. On this program, Matthew MacDonald discussed the missing manual for the human brain. Topics: science, neuroscience Source: Groks Science Radio Show Podcast

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On June 16, 2006, Professor Lawrence Lessig gave a talk at the Center for American Progress entitled "The Withering of the Net: How DC Pathologies are Undermining the Growth and Wealth of the Net." This talk was the second in a series of three. The first talk was Professor Yochai Benkler , the third featured Dave Farber and Vint Cerf. In just under 40 minutes, Lessig delivered a stunning performance, documenting his assertion that the Internet was created by Republicans and discussing...favoritefavoritefavoritefavoritefavorite ( 2 reviews ) Topics: Hack Number 9, net neutrality, Republicans, Internet, Lessig

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Mathematics is often regarded as highly abstract, yet many fundamental explanations about the natural world have come from seemingly arcane mathematical research. On this program, Prof. James Stein discussed how math explains the world. Topics: science, mathematics Source: Groks Science Radio Show Podcast

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Since the launch of Sputnik in 1957, human space endeavors have rapidly evolved. On this program, Dr. Martin Collins discussed the history of the space age. Topics: science, space, history Source: Groks Science Radio Show Podcast

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The occurrence of preventable disease in the United States can be lowered by simple lifestyle changes. On this program, Dr. Raymond Francis discussed the project to end disease. Topics: science, disease, prevention Source: Groks Science Radio Show Podcast

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Game theory is the field of study popularized by the depiction of John Nash in a Beautiful Mind. But, few may realize the relevance of game theory in everyday life. On this program, Dr. Len Fisher discussed the application of game theory to everyday situations. Topics: science, game theory, mathematics, economics Source: Groks Science Radio Show Podcast

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Nitric oxide is a ubiquitous molecule in the body that is involved in several important physiological processes. However, diseases may arise when the regulation of nitric oxide is disrupted. On this program, Prof. Martin Pall from Washington State University discussed the role of nitric oxide in disease. Topics: science, nitric oxide Source: Groks Science Radio Show Podcast

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Randomness is a fundamental part of natural physical phenomena. Yet, it is often unappreciated how these stochastic processes affect our daily lives. On this program, Dr. Leonard Mlodinow discussed the random walk. Topics: science, probability, statistics Source: Groks Science Radio Show Podcast

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New year's resolutions will come and go, but with the right motivation they can be fully realized. On this program, former Heavyweight Boxing Champion, George Foreman, discussed how to meet fitness goals. Topic: Science Source: Groks Science Radio Show Podcast

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One little hormone can make a big difference in the life of men, especially when those levels start to drop. On this program, Dr. Shafiq Qaadri joined us to discuss the testosterone factor. Topics: science, men's health, testosterone Source: Groks Science Radio Show Podcast

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Do I have a chance with them? Should I drink the milk at the back of the refrigerator? Solving everyday problems like these can be especially problematic without the proper tools. Luckily, math can provide the answer. On this program, Garth Sundem discussed mathematical solutions to everyday problems. Topics: science, mathematics, everyday Source: Groks Science Radio Show Podcast

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Recent discoveries from the Mars and Titan landings have rekindled interest in the possibility of extraterrestrial life. On this program, Prof. David Grinspoon discussed these findings, astrobiology, and his book, Lonely Planets. Topic: Science Source: Groks Science Radio Show Podcast

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The invention of the telescope 400 years ago opened a window to the universe that continues to amaze. On this program, Dr. Geoff Andersen discussed the history and invention of the telescope. Topics: science, telescope, astronomy Source: Groks Science Radio Show Podcast

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Heart disease and depression seem like unrelated ailments. However, new research is finding that the occurrence of one can result in the manifestation of the other. On this program, Dr. Lawson Wulsin discussed the link between heart disease and depression. Topics: science, heart disease, depression Source: Groks Science Radio Show Podcast

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The Constitution guarantees five fundamental freedoms, but a free culture requires openness amongst its citizens. On this program, Mitch Kapor discussed the Open Source movement as it pertains to software and other aspects of technology and life. Topics: science, open source Source: Groks Science Radio Show Podcast

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The recent debate over what defines a planet has been partially motivated by the discovery of a candidate tenth planet. On this program, Dr. Ken Croswell explained the rationale behind the ten planets.favoritefavoritefavoritefavoritefavorite ( 1 reviews ) Topics: science, astronomy, tenth planet Source: Groks Science Radio Show Podcast

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How did the univere begin? How will it end? The answers to these questions have remained elusive, but for the first time in human history, there is hope that these mysteries of the universe can be uncovered. Noted author and particle physicist Dr. Simon Singh discusses these ageless questions. Source: Groks Science Radio Show Podcast

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Cancer is a disease that strikes fear by its mere mention. But, rapid advances in medical science are developing new treatments. On this program, Prof. David Nathan from Harvard MGH discussed new cancer therapies. Topics: science, cancer, therapy Source: Groks Science Radio Show Podcast

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Collaboration in business is important for the development of ideas and products. Technological innovations are facillitating this process. On this program, Don Tapscott discussed Wikinomics, how mass collaboration is changing business. Topics: science, wikinomics, economics, collaboration Source: Groks Science Radio Show Podcast

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Drugs are a ubiquitous part of modern life. However, separating the facts from the myths about drug use can often be a challenge. On this program, Prof. Cynthia Kuhn discussed the science of drugs. Topics: science, drugs Source: Groks Science Radio Show Podcast

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Fermi National Accelerator Lab, better known as Fermilab, has been actively searching for the elusive Higgs Boson, the particle that may give mass to the Universe. However, the clock is ticking and their time may soon be up. On this program, Clayton Brown discussed the Atom Smashers. Topics: science, fermilab, higgs boson, physics, particle physics Source: Groks Science Radio Show Podcast

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Global warming is a scientific issue that is particularly sensitive to the political climate. On this program, Prof. Patrick J. Michaels from the University of Virginia discussed the politics of global warming. Topic: Science Source: Groks Science Radio Show Podcast

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Deep sea exploration was pioneered by two men, William Beebe and Otis Barton. The remarkable story of their journey into the abyss was discussed on this program with Brad Matsen. Topic: Science Source: Groks Science Radio Show Podcast

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The oceans are essential for human survival. The Sant Ocean Hall at the Smithsonian National Museum of Natural History seeks to educate the public about the importance of the oceans. On this program, Deborah Cramer discussed Smithsonian Ocean: Our Water, Our World. Topics: science, ocean, environment, smithsonian Source: Groks Science Radio Show Podcast

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The ability to rapidly adapt to the environment is a hallmark of most higher organisms. However, humans have created special challenges to surviving in the modern landscape. On this program, Laurence Gonzales discussed everyday survival. Topics: science, sociology, environment Source: Groks Science Radio Show Podcast